-
1. The orca is a fascinating species that can live up to 20 years in the wild.
这种海豹是一种令人着迷的物种，可以在野外生活长达20年。
-
2. In the ocean, orcas are known for their playful behavior and their ability to communicate with each other.
在海洋中，海豹以其嬉戏的行为和相互沟通的能力而闻名。
-
3. The orca's unique vocalizations have been used to study communication among marine mammals.
海豹独特的叫声被用来研究海洋哺乳动物之间的交流。